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38 lines
1.3 KiB
PowerShell
38 lines
1.3 KiB
PowerShell
$inputdata=import-csv -header "Number" .\aocd9input.txt
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$inputdata | %{$_.Number = [int64]$_.Number}
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$buffer=25
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$mynumbers=$inputdata[0 .. 24] | select-object -ExpandProperty Number
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for($i=25; $i -lt $inputdata.count; $i++){
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$minval = (($mynumbers|Sort-Object )[0 .. 1] |measure-object -sum | select-object -ExpandProperty sum)[0]
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$maxval = (($mynumbers|Sort-Object )[-2 .. -1] |measure-object -sum | select-object -ExpandProperty sum)[0]
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$newnum = $inputdata[$i].Number
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write-host "Prior $($mynumbers[-1]) : $newnum"
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if($newnum -lt $minval){
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write-host "ERROR $newnum too low"
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break
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}
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if($newnum -gt $maxval){
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write-host "ERROR $newnum too high"
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break
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}
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$possiblevalues = @()
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for($b=0;$b -lt $mynumbers.Count;$b++){
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$mynum=$mynumbers[$b]
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for($a=1;$a -lt $mynumbers.count;$a++ ){
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$nextnum = $mynumbers[$a]
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if($mynum -eq $nextnum){
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#write-host "$mynum is same as $nextnum"
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continue
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}
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$possiblevalues += $mynum + $nextnum
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}
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}
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if($possiblevalues -notcontains $newnum){
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write-host "ERROR $newnum not a sum of prior $buffer numbers"
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break
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}
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$null,$mynumbers=$mynumbers
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$mynumbers += $newnum
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}
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get-date |